{"url_path":"/weather/alerts/2.49.0.1.840.0.b8309c28e0ffca0b11c59f5a6f7447a970d29ded.002.1","section_key":"alert","section_title":"Red Flag Warning issued May 13 at 9:17PM CDT until May 14 at 7:00PM CDT by NWS Sioux Falls SD","topic":"weather","document":{"doc_type":"alert","doc_date":"2026-05-13","source_url":"https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.b8309c28e0ffca0b11c59f5a6f7447a970d29ded.002.1","accession_number":null,"cik":null,"ticker":null,"issuer_name":null,"edgar_url":null,"primary_entity_key":null,"primary_entity_name":"NWS Sioux Falls SD"},"word_count":178,"has_tables":false,"body_markdown":"# Red Flag Warning: Red Flag Warning issued May 13 at 9:17PM CDT until May 14 at 7:00PM CDT by NWS Sioux Falls SD\n\n**Severity:** Severe\n**Certainty:** Likely\n**Urgency:** Expected\n**Areas:** Lyon; Osceola; Dickinson; Sioux; O'Brien; Clay; Plymouth; Cherokee; Buena Vista; Woodbury; Ida; Cottonwood; Nobles; Jackson; Rock; Dixon; Dakota; Hanson; McCook; Minnehaha; Hutchinson; Turner; Lincoln; Bon Homme; Yankton; Clay; Union\n**Issued by:** NWS Sioux Falls SD\n**Sent:** 2026-05-13T21:17:00-05:00\n**Effective:** 2026-05-13T21:17:00-05:00\n**Expires:** 2026-05-14T06:00:00-05:00\n\n## Description\n* AFFECTED AREA...In Iowa, Lyon, Osceola, Dickinson, Sioux,\nO'Brien, Clay, Plymouth, Cherokee, Buena Vista, Woodbury and\nIda. In Minnesota, Cottonwood, Nobles, Jackson and Rock. In\nNebraska, Dixon and Dakota. In South Dakota, Hanson, McCook,\nMinnehaha, Hutchinson, Turner, Lincoln, Bon Homme, Yankton,\nClay and Union.\n\n* WINDS...South 25 to 35 mph with gusts up to 50 mph.\n\n* RELATIVE HUMIDITY...As low as 24 percent.\n\n* IMPACTS...Any fire that develops will catch and spread\nquickly. Outdoor burning is not recommended.\n\n## Instructions\nA Red Flag Warning means that critical fire weather conditions\nare either occurring now, or will shortly. A combination of\nstrong winds, low relative humidity, and warm temperatures can\ncontribute to extreme fire behavior."}